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Does anyone have any idea why these might have happened? I suddenly realized that these had happened after months of use.

Action center is disabled and control panel item doesn't do anything on click:

Performance information doesn't run on click (even when I plug in the laptop), and the data is messed up: (It works fine on the command-line, though)

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Not an answer, but just to be on the safe side, I would do a diskcheck on the HDD and then do an "sfc /scannow" at the command line. This will chech the HDD for consistency and sfc will check the systems integrity for critical system files – brandon927 Jan 21 '11 at 7:53
Thanks for the suggestion but I haven't had any viruses or bad sectors or a corrupted file system, and this is a prolonged issue... it's not getting fixed with those. :\ – Mehrdad Jan 21 '11 at 7:58
It seems to be a bug in Windows: %LastChecked% is obviously a placeholder for the value, so some code isn't executing correctly. I just can't figure out what's causing it. – Mehrdad Jan 21 '11 at 8:05
up vote 0 down vote accepted

Apparently, installing Service Pack 1 fixed the problem.

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